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sh4z · 10-10-2010, 07:04 AM

Hi Guys,

I have been discussing with a friend of mine about making up a circuit for switching between batteries 9v and 18v.

Essentially the switch will be 4 way with the following options.

1. 2 x 9v in Series - 18v mod.
2. 2 x 9v in Parallel; 9v.
3. 1st Battery 9v.
4. 2nd Battery 9v.

Any ideas

10-10-2010, 07:04 AM	#49
sh4z SS.org Regular Join Date: Mar 2007 Location: Australia Posts: 497 Thanked 1 Time in 1 Post	Hi Guys, I have been discussing with a friend of mine about making up a circuit for switching between batteries 9v and 18v. Essentially the switch will be 4 way with the following options. 1. 2 x 9v in Series - 18v mod. 2. 2 x 9v in Parallel; 9v. 3. 1st Battery 9v. 4. 2nd Battery 9v. Any ideas